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- 1. Multiple Choice
What do these isotopes of carbon all have in common?neutrons & mass numberatomic number and neutronsatomic number and electronsprotons, atomic number, and mass number - 2. Multiple ChoiceHow many neutrons does the isotope of lithium have?8345
- 3. Multiple ChoiceHow many protons does this isotope of titanium have?48222670
- 4. Multiple ChoiceIn a correctly written symbol what would be located in the "A" position?number of neutronsatomic numbernumber of electronsmass number
- 5. Multiple ChoiceWhat quantities vary between isotopes of an element?protons, electrons, and atomic massprotons, electrons, and atomic numberneutrons and electronsneutrons and atomic mass
- 6. Multiple Choicewhich atom has 4 neutrons?Li-6Li-7Li-8they have the same # of neutrons
- 7. Multiple ChoiceHow many neutrons in C-14?67148
- 8. Multiple ChoiceIsotopes are atoms of the same element with different #’s of __________ & therefore different __________.n0 ; atomic #’sp+ ; atomic #’se- ; atomic massesn0 ; atomic masses
- 9. Multiple ChoiceHow many neutrons does the isotope below have? 89 36Kr533689125
- 10. Multiple ChoiceIf X is the symbol for an element, which of the following two symbols represent isotopes of the same element? I. 7735X II. 7733X III. 8137X IV. 8135 XI and IIIII and IVI and IVI and III
- 11. Multiple ChoiceHow many neutrons does an atom of the isotope Neon-22 have?12102220
- 12. Multiple ChoiceFour isotopes of lead include lead-204, lead-206, lead-207, and lead-208. The average atomic mass of lead is 207.2. Which isotope of lead is likely to be the most abundant.204206207208
- 13. Multiple ChoiceAn atom is electrically neutral whenprotons and neutrons are the sameprotons and electrons are the sameneutrons and electrons are the sameneutrons balance the protons and electrons
- 14. Multiple ChoiceTwo isotopes of carbon are carbon-12 and carbon-14. These isotopes differ from one another by two protons.truefalse
- 15. Multiple ChoiceIf the number of electrons in an atom changes you make a(n) __________________.ionisotopenew elementisomer
- 16. Multiple ChoiceIons are:atoms with a positive or negative chargeatoms with no chargeatoms with ONLY a positive chargeatoms with ONLY a negative charge
- 17. Multiple ChoiceHow many electrons are in an atom that has an atomic number of 34, an atomic mass of 74 and a charge of -2?3436240
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